But it wasn't just her new barnet that caught our beady eye - the 23-year-old also showed off her hourglass curves in a figure-hugging aqua blue Zuhair Murad couture gown - the perfect colour contrast on which to showcase her new hair hue.

Whether for a film role, or whether she just fancied a change, remains to be seen - but either way, we're not yet 10020lively/">Blake Lively as a ravishing redhead? Let us know below!